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Q: Meaning of a metric space being free having at most one element.

SethThe following question is taken from Arrows, Structures and Functors the categorical imperative by Arbib and Manes, and Theory of Mathematical Structures by Jiří Adamek. $\color{Green}{Background:}$ [From Arbib and Mane] $\textbf{(1) Definition:}$ The $\textbf{Free monoid on the set X of generat...


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